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− | <font size=3>'''Table summarizing of properties of deicing agents | + | <font size=3>'''Table summarizing of properties of deicing agents. Adapted from [https://stormwater.pca.state.mn.us/index.php?title=References_for_Smart_Salting_%28S2%29_and_road_salt_winter_maintenance Local Road Research Board, 2012], [https://stormwater.pca.state.mn.us/index.php?title=References_for_Smart_Salting_%28S2%29_and_road_salt_winter_maintenance Ketcham et al., 1996] and [https://stormwater.pca.state.mn.us/index.php?title=References_for_Smart_Salting_%28S2%29_and_road_salt_winter_maintenance Levelton Consultants Ltd., 2008].'''</font size><br> |
Link to this [[Table summarizing of properties of deicing agents|table]] | Link to this [[Table summarizing of properties of deicing agents|table]] | ||
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<td>Low/moderate; Will exacerbate scaling; low risk of paste attack</td> | <td>Low/moderate; Will exacerbate scaling; low risk of paste attack</td> | ||
<td>High: Will initiate corrosion of rebar</td> | <td>High: Will initiate corrosion of rebar</td> | ||
− | <td>Moderate: Excessive chloride loading; heavy metal contamination | + | <td>Moderate: Excessive chloride loading; heavy metal contamination</td> |
<td>Low: Leads to reduced abrasives use</td> | <td>Low: Leads to reduced abrasives use</td> | ||
<td>Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize</td> | <td>Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize</td> | ||
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<td>Moderate/high: Will exacerbate scaling; risk of paste deterioration from magnesium </td> | <td>Moderate/high: Will exacerbate scaling; risk of paste deterioration from magnesium </td> | ||
<td>High: Will initiate corrosion of rebar, evidence suggest MgCl2 has the highest potential for corrosion of chloride produces</td> | <td>High: Will initiate corrosion of rebar, evidence suggest MgCl2 has the highest potential for corrosion of chloride produces</td> | ||
− | <td>Moderate: Excessive chloride loading; heavy metal contamination | + | <td>Moderate: Excessive chloride loading; heavy metal contamination</td> |
<td>Low: Leads to reduced abrasives </td> | <td>Low: Leads to reduced abrasives </td> | ||
<td>Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize</td> | <td>Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize</td> | ||
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<td>Moderate/high: Will exacerbate scaling; risk of pate deterioration from magnesium reactions</td> | <td>Moderate/high: Will exacerbate scaling; risk of pate deterioration from magnesium reactions</td> | ||
<td>Low; probably little or no effect</td> | <td>Low; probably little or no effect</td> | ||
− | <td>High: Organic content leading to oxygen demand | + | <td>High: Organic content leading to oxygen demand</td> |
<td>Low: Leads to reduced abrasives use</td> | <td>Low: Leads to reduced abrasives use</td> | ||
<td>Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize</td> | <td>Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize</td> | ||
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<td>Low; probably little or no effect [https://ascelibrary.org/doi/10.1061/%28ASCE%29MT.1943-5533.0001754]</td> | <td>Low; probably little or no effect [https://ascelibrary.org/doi/10.1061/%28ASCE%29MT.1943-5533.0001754]</td> | ||
<td>High: Organic content leading to oxygen demand</td> | <td>High: Organic content leading to oxygen demand</td> | ||
− | <td>Low: Leads to reduced abrasives use | + | <td>Low: Leads to reduced abrasives use</td> |
− | |||
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
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<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
− | < | + | <td>Relative aquatic toxicity: high</td> |
− | td> Relative aquatic toxicity: high</td> | ||
<td></td> | <td></td> | ||
<td></td> | <td></td> | ||
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</tr> | </tr> | ||
</table> | </table> | ||
− | <font size=1><sup>1</sup>For | + | <!-- |
+ | <font size=1><sup>1</sup>For information on aquatic toxicity, see [http://clearroads.org/wp-content/uploads/dlm_uploads/11-02_Determine-the-Toxicity-of-Deicing-Materials_Final-Report_12-30-2013.pdf Determining the Aquatic Toxicity of Deicing Materials] (Barr Engineering, 2013)</font size>--> | ||
<noinclude> | <noinclude> | ||
− | [[ | + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Chloride, salt management]] |
</noinclude> | </noinclude> |
Table summarizing of properties of deicing agents. Adapted from Local Road Research Board, 2012, Ketcham et al., 1996 and Levelton Consultants Ltd., 2008.
Link to this table
Category | Type | Lowest Practical Melting Pavement Temperature | Potential for corrosion impairment3 | Environmental Impact | |||||
---|---|---|---|---|---|---|---|---|---|
Atmospheric Corrosion to Metals | Concrete Matrix | Concrete Reinforcing | Water Quality/Aquatic Life | Air Quality | Soils | Vegetation | |||
Chloride Based Deicers | Sodium Chloride | 15°F | High; will initiate and accelerate corrosion | Low/moderate; Will exacerbate scaling; low risk of paste attack | High: Will initiate corrosion of rebar | Moderate: Excessive chloride loading/metals contaminants; ferrocyanide additives | Low: Leads to reduced abrasives use | Moderate/High: Sodium accumulation breaks down soil structure and decreases permeability and soil stability; potential for metals to mobilize | High: Spray causes foliage damage; osmotic stress harms roots, chloride toxicosis |
Calcium Chloride | -20°F | High; Will initiate and accelerate corrosion; higher potential for corrosion related to hydroscopic properties | Low/moderate; Will exacerbate scaling; low risk of paste attack | High: Will initiate corrosion of rebar | Moderate: Excessive chloride loading; heavy metal contamination | Low: Leads to reduced abrasives use | Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize | High: Spray causes foliage damage; osmotic stress harms roots, chloride toxicosis | |
Magnesium Chloride | -10°F | High; Will initiate and accelerate corrosion; higher potential for corrosion related to hydroscopic properties | Moderate/high: Will exacerbate scaling; risk of paste deterioration from magnesium | High: Will initiate corrosion of rebar, evidence suggest MgCl2 has the highest potential for corrosion of chloride produces | Moderate: Excessive chloride loading; heavy metal contamination | Low: Leads to reduced abrasives | Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize | High: Spray causes foliage damage; osmotic stress harms roots, chloride toxicosis | |
Acetate Based Deicers | Calcium Magnesium Acetate | 20°F [1] | Low/moderate; Potential to initiate and accelerate corrosion due to elevated conductivity | Moderate/high: Will exacerbate scaling; risk of pate deterioration from magnesium reactions | Low; probably little or no effect | High: Organic content leading to oxygen demand | Low: Leads to reduced abrasives use | Low/Moderate: Improves soil structure; increases permeability; potential for metals to mobilize | Low: Little or no adverse effect; osmotic stress at high levels |
Potassium Acetate | -26°F [2] | Low/moderate; Potential to initiate and accelerate corrosion due to elevated conductivity | [3] | Low; probably little or no effect [4] | High: Organic content leading to oxygen demand | Low: Leads to reduced abrasives use | |||
Sodium Acetate | 0°F [5] | Relative aquatic toxicity: high | |||||||
Carbohydrates | Beet Juice | NA | Low; Potential to initiate and accelerate corrosion due to elevated conductivity clams of mitigation of corrosion require further evaluation | Low; Probably little or no effect | Low; Probably little or no effect; claims of mitigation of corrosion require further evaluation | High Organic matter leading to oxygen demand; nutrient enrichment by phosphorus and nitrogen; heavy metals | Low: Leads to reduced abrasive use | Low: Probably little or no effect; limited information available | Low: Probably little or no effect |
Molasses | NA | ||||||||
Corn Syrup | NA |
This page was last edited on 4 August 2022, at 15:50.